fkie_cve-2020-6813
Vulnerability from fkie_nvd
Published
2020-03-25 22:15
Modified
2024-11-21 05:36
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1605814Permissions Required, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-08/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1605814Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-08/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "9AC2847A-B7E3-4002-8236-F908BBF7272A",
                     versionEndExcluding: "74.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74.",
      },
      {
         lang: "es",
         value: "Cuando se protegen los bloques CSS con la funcionalidad nonce de la Content Security Policy, la sentencia @import en el bloque CSS podría permitir a un atacante inyectar estilos arbitrarios, omitiendo la intención de la Content Security Policy. Esta vulnerabilidad afecta a Firefox versiones anteriores a 74.",
      },
   ],
   id: "CVE-2020-6813",
   lastModified: "2024-11-21T05:36:13.707",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "NONE",
               baseScore: 5,
               confidentialityImpact: "NONE",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:L/Au:N/C:N/I:P/A:N",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 5.3,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "LOW",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 1.4,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2020-03-25T22:15:12.937",
   references: [
      {
         source: "security@mozilla.org",
         tags: [
            "Permissions Required",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1605814",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-08/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Permissions Required",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1605814",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-08/",
      },
   ],
   sourceIdentifier: "security@mozilla.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-Other",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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